What do you mean? What’s the question?
It really depends on what month or year. but typically a month is 4-5 weeks so it's either 16 or 20 miles
The area is 3.14*r^2
<span>The rotating valve would be in the center of the circular wet patch so if it's spraying in all directions, then 15 ft = radius. </span>
<span>Now plug it in. </span>
<span>3.14 x (15)^2 = 706.5 ft^2</span>
